middle income trap

Etymology
and in their book An East Asian Renaissance: Ideas for Economic Growth.

Noun

 * 1)  The situation where a country that attains a certain income gets stuck at that level, being unable to compete with other more developed economies in the high-value-added market.

Translations

 * Chinese:
 * Mandarin: 中等收入陷阱
 * Japanese: 中所得国の罠